Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a yellowish-white, crystalline powder, ZnS, used in a phosphorescent form in making television screens and luminous watch faces, and also as a pigment, etc.
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A yellow to white crystalline compound, ZnS, occurring naturally as sphalerite and wurtzite, and used as a phosphor and as a pigment in the manufacture of paper.